About 48 Hours Season 19, Episode 12 : Endgame

Perry March had the perfect life -- a successful lawyer living in the lap of luxury in sunny Mexico with his second wife, in a peaceful home, complete with a swimming pool where the kids liked to do cannonballs. March had only one problem - a determined cold case unit that wanted to know what happened to Janet March, Perry's first wife, who was reported missing in the summer of 1996, in their hometown of Nashville.